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Explanation:

At the end of the 20th century tomahawk missile, early drones, laser guided bombs, and intercontinental missiles further increased the impersonalization of warfare. In the 21 century warfare might become more like a video game. The combatants directing robots from a keypad thousands of miles from the actual battlefield.Technology has made killing people easier not only because of the power of the technology but because killing people has become less personal.

The first half of the 20th century was a turbulent time for Russia.
The political system was drastically and violently transformed, there was an explosion of avant-garde art, and then Stalin led the country through the violent period of industrialization.

Many believe that it was during that time that Russia gained enough force and resources to be able to defeat the Nazis in the WW2.